CVE-2026-54854
MEDIUM
CVSS 6.3
Published: 2026-10-30
Modified: 2026-10-30
Enriched via mock
Tenable Plugin
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AI Threat Summary
CVE-2026-54854 is a moderate vulnerability with a CVSS score of 6.3 affecting the target software. Threat hunters should monitor for exploit attempts and apply vendor patches immediately.
Description
Contributor Privilege Escalation in Profile Builder <= 4.0.5 versions.
Attack Chain
1
Initial Access
Attacker has low-privilege local access (e.g., via phishing or compromised service account)
2
Privilege Escalation
Attacker exploits CVE-2026-54854 to escalate from low-privilege user to root/SYSTEM/admin
3
Defense Evasion
Elevated privileges used to disable security controls, clear logs, and establish persistence
4
Impact
Full system compromise achieved; attacker can install ransomware, exfiltrate all data, or pivot
MITRE ATT&CK Techniques
Indicators of Compromise
| Type | Value | Description | |
|---|---|---|---|
| user_agent | Mozilla/5.0 (compatible; exploit/1.0) |
Generic exploit scanner user agent pattern | |
| url | /api/vuln-endpoint?payload=<malicious> |
Exploit attempt against application endpoint — monitor access logs for anomalous params |
Remediation
1. Apply vendor-supplied security patches immediately.
2. If patches are unavailable, apply recommended mitigations from the vendor advisory.
3. Enable WAF rules or IDS signatures to detect exploitation attempts.
4. Monitor logs for indicators of compromise listed above.
5. Implement network segmentation to limit blast radius if exploitation occurs.
6. Subscribe to vendor security advisories for this product.
Quick Facts
| CVE ID | CVE-2026-54854 |
| CVSS Score | 6.3 |
| Vector | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L |
| Published | 2026-10-30 |
| Exploited | No |
| CISA KEV | No |
| PoC | Not public |